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PACCAR PX-8 CM2150 (2007-09) Fault Code: 2347 PID: SPN: 2790 FMI: 0 Turbocharger Compressor Outlet Temperature (Calculated) – Data Valid but Above Normal Operational Range – Least Severe Level.
Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, recalibrate the ECM.
Possible caused:
1)Air intake leaks allowing hot under-hood air to enter the intake system
2)Faulty intake manifold pressure readings
3)High turbocharger speed readings
4)Faulty barometric pressure readings
5)Stuck variable geometry turbocharger.
Note: Unless the failure is a failed barometric pressure sensor or intake manifold pressure sensor, this fault code will most likely not be active with no load in the shop. The engine will most likely need to be loaded to trip this fault code, and to determine if the failure has been found and fixed.
Possible repairs:
1)Replace the barometric pressure sensor.
2)Replace the intake manifold pressure sensor.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2346 PID: SPN: 2789 0 Turbocharger Turbine Inlet Temperature (Calculated) – Data Valid but Above Normal Operational Range – Least Severe Level. Turbocharger turbine inlet temperature has exceeded the engine protection limit.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2345 PID: 103 SPN: 103 FMI: 10 Turbocharger 1 Speed – Abnormal Rate of Change. The turbocharger speed sensor has detected an erroneous speed value.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2322 PID: SID 064 SPN: 723 FMI: 2 Engine Camshaft Speed/Position Sensor – Data Erratic, Intermittent, or Incorrect. Camshaft engine speed sensor intermittent synchronization.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2321 PID: 190 SPN: 190 FMI: 2 Engine Crankshaft Speed/Position – Data Erratic, Intermittent, or Incorrect. Crankshaft engine speed sensor intermittent synchronization.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2311 PID: SID 108 SPN: 633 FMI: 11 Electronic Fuel Injection Control Valve Circuit – Condition Exists. Fuel pump actuator circuit resistance too high or too low.
PACCAR PX-8 CM2150 (2007-09) Fault Code: 2288 PID: 103 SPN: 103 FMI: 0 Turbocharger 1 Speed – Data Valid but Above Normal Operational Range – Least Severe Level. High turbocharger speed has been detected by the ECM.